Hurry i need

isabel sells new and used mystery novels online. her customers are primarily in the united states. she sends up to 10 pounds of books in one shipment. she uses the united states postal service’s media mail service because it is inexpensive for her customers. current media mail shipping prices for book shipments weighing 10 pounds or less appear below.

a) how much would it cost to ship a package weighing 3.2 pounds? explain how you arrived at your answer. (3 points)

b) what type of graph is needed to represent the media mail shipping prices as a function of the weight of the books shipped? explain your thinking. (3 points)

c) graph the media mail shipping prices as a function of the weight of the books shipped. (10 points)

d) the graphed function? (3 points)

e) isabel’s competition, who sells books and no other products, charges a shipping fee of $1.99 per book plus a fixed fee of $3 for each order. let x be the number of books purchased and f(x) be the price of shipping one order of books. write a function that expresses f(x) and explain the value of f(x) for x = 0. (5 points)

f) graph the function in part e. (10 points)

e) is your graph discrete or continuous? explain.